1)   Winmail Mail Server 4.3
Winmail Server is an enterprise class mail server software system offering a robust feature set, including extensive security measures. Winmail Server supports SMTP, POP3, IMAP, Webmail, LDAP, multiple domains, SMTP authentication, spam protection

 2)   SpyPal Email Messenger Spy 2008 5.7
SpyPal Email Spy software secretly monitors and records all emails opened in popular email clients. It runs in a complete invisible mode. You can check all recorded messages by simply receiving emails or opening a web page.

 3)   Email Spy Monitor 2007 6.21
Email Spy Monitor spy software secretly monitors and records all emails opened in popular email clients. It runs in a complete invisible mode. You can check all recorded messages by simply receiving emails or opening a web page.